Guest Stars Alejandro Hernandez as Casey Acosta Megan Byrne as Gladys Miller Mike Doyle as Martin McIntyre Christine Chang as Dr. Agnes Kao Keren Lugo as Dr. Diana Flores Daniel Dae Kim as Dr. Cassian Shin Raphael Sbarge as Captain Dane Starks Maury Ginsberg as Dr. Leland Clark Peter Jay Fernandez as Nelson Peña Co Starring Nora Clow as Luna Opal Clow as Luna Matthew Jeffers as Dr. Mark Walsh Em Grosland as Nurse Kai Brunstetter Olivia Khoshatefeh as Dr. Yasmin Turan Stacey Raymond as Paramedic Kerry Whitaker Emma Ramos as Resident Mariana Jennifer Betit Yen as Nurse Aimee Kamoe Michael Basile as Paramedic Rob Moreland Teresa Patel as Paramedic Harvell LaRae Muscat as Sameera Kim Ramirez as Anesthesiologist Alicia Smith Sheilagh Weymouth as Dr. Florence Brighton Melissa Navia as Co-Pilot Eva Schafer Andrew Mayer as Writhing Patient Stephen Hu as Dr. William Choi Vince Edgehill as Dying Patient Namakula as FBI Agent Southern Shereen Ahmed as Shenaz Shetty Earl Baker Jr. as Dr. Mandle Erica Camarano as Trauma Surgeon Reyes Elena Araoz as Dr. Miriam Kamnani Melissa Glassman as Frumpy Dermatologist Carmen Noemi Guzman as Wife
